Does nixos-rebuild with targetHost will copy the current directory's file to targetHost?

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1

we know if we run nixos-rebuild, the files in the current directory will copy to /nix/store/hash-source/.
but with a “–target-host” parameter, the /nix/store/hash-source/ does not exist on the target host. Why?

2

Probably because it is not part of the runtime closure.

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3

thanks, but the result has a systemd service that ExecStart is a script pointing to this /nix/store/hash-source/ directory.
more detail: How to deploy custom NixOS module configuration with a flake using nixos-rebuild and keep the relative path of a custom script file?